Yaroslavl ???-236, Руководство по обслуживанию

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N
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Possible defect
Way for defect detection and
means of control
Dimension and parameter, mm Conclusion
nominal maximum allowable
without repair for repair
5
Б
Е
Wear of the gear height Clamp СР 75 Dimension
И:
-
To reject
-
6
А
Ж
Wear of the axis surface for
the body bushing and drive
gear of
the radiator section
Clamp СРП25
- - To replace the axis
for new one or
repaired with chrome
plating
7 -
Loosening of the gear seating
To proof the seating with
the slight
hammer tapering
- - -
To replace the gear
Technical requirements for the repaired assembly unit
Number of the defect
1 Gear should be pressed on with the tension 0.006 mm 7
2 Size K should be from 20,8 to 21,2 mm
7
Technical requirements for the repaired assembly unit
1 Circular runout tolerance of the surface Д relatively to the general surface axis and surfaces A and Ж – 0.01 mm
2 Roughness of the surfaces А and Ж should not exceed Ra 0.63 micron according to the GOST 2789-73